untreated

adjective un·treat·ed \ ˌən-ˈtrē-təd \
Updated on: 23 Nov 2017

Definition of untreated

: not treated
  • untreated wastewater
; especially : not improved or controlled medically
  • an untreated case of pneumonia
  • untreated diabetic patients

Recent Examples of untreated from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'untreated.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of untreated

15th century


Medical Dictionary

untreated

adjective un·treat·ed \ -ˈtrēt-əd \

medical Definition of untreated

: not subjected to treatment
  • an untreated disease


Seen and Heard

What made you want to look up untreated? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

food, provisions, or a tasty dish

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!